powerpc/eeh: Rename frozen_bus to bus in eeh_handle_normal_event()

The name "frozen_bus" is misleading: it's not necessarily frozen, it's
just the PE's PCI bus.

Signed-off-by: Sam Bobroff <sam.bobroff@au1.ibm.com>
Reviewed-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

arch/powerpc/kernel/eeh_driver.c

@@ -754,14 +754,14 @@ static int eeh_reset_device(struct eeh_pe *pe, struct pci_bus *bus,
  */
 void eeh_handle_normal_event(struct eeh_pe *pe)
 {
-	struct pci_bus *frozen_bus;
+	struct pci_bus *bus;
 	struct eeh_dev *edev, *tmp;
 	int rc = 0;
 	enum pci_ers_result result = PCI_ERS_RESULT_NONE;
 	struct eeh_rmv_data rmv_data = {LIST_HEAD_INIT(rmv_data.edev_list), 0};
 
-	frozen_bus = eeh_pe_bus_get(pe);
+	bus = eeh_pe_bus_get(pe);
-	if (!frozen_bus) {
+	if (!bus) {
 		pr_err("%s: Cannot find PCI bus for PHB#%x-PE#%x\n",
 			__func__, pe->phb->global_number, pe->addr);
 		return;
@@ -820,7 +820,7 @@ void eeh_handle_normal_event(struct eeh_pe *pe)
 	 */
 	if (result == PCI_ERS_RESULT_NONE) {
 		pr_info("EEH: Reset with hotplug activity\n");
-		rc = eeh_reset_device(pe, frozen_bus, NULL);
+		rc = eeh_reset_device(pe, bus, NULL);
 		if (rc) {
 			pr_warn("%s: Unable to reset, err=%d\n",
 				__func__, rc);
@@ -938,7 +938,7 @@ hard_fail:
 		eeh_pe_dev_mode_mark(pe, EEH_DEV_REMOVED);
 
 		pci_lock_rescan_remove();
-		pci_hp_remove_devices(frozen_bus);
+		pci_hp_remove_devices(bus);
 		pci_unlock_rescan_remove();
 		/* The passed PE should no longer be used */
 		return;